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The Nevado del Tolima is a Late Pleistocene to recently active andesitic stratovolcano located in the Tolima department, Colombia. The volcano lies south of Nevado del Ruiz volcano and is situated within the Los Nevados National Natural Park. The volcano, whose most recent activity dates to 1943 and last major eruption around 3600 years ago, overlies the Eocene El Bosque Batholith, dated at 49.1 ± 1.7 Ma.[2][3]

Nevado del Tolima
View of Nevado del Tolima
Highest point
Elevation	5,276 m (17,310 ft)[1]
Listing	Volcanoes of Colombia
Coordinates	4°39′30″N 75°19′46″W[1]
Geography
Nevado del Tolima Location of Nevado del Tolima in Colombia
Location	Tolima  Colombia
Parent range	Central Ranges, Andes
Geology
Age of rock	<40 ka Late Pleistocene-recent
Mountain type	Andesitic stratovolcano
Volcanic belt	North Volcanic Zone  Andean Volcanic Belt
Last eruption	March 1943[1]

Geography and geology

The steep-sided, glacier-clad Nevado del Tolima volcano contrasts with the broad profile of Nevado del Ruiz to the north. The andesitic-dacitic younger Tolima formed during the past 40,000 years, rising above and largely obscuring a 3 kilometres (1.9 mi) wide Late Pleistocene caldera. The summit consists of a cluster of Late Pleistocene to Holocene lava domes that were associated with thick block-lava flows on the northern and eastern flanks, and extensive pyroclastic-flow deposits. The summit contains a funnel-shaped crater 200 to 300 metres (660 to 980 ft) deep. Holocene activity has included explosive eruptions ranging in size from moderate to plinian. The last major eruption took place about 3600 years ago. Lava dome growth has produced block and ash flows that traveled primarily to the northeast and southeast.[1]

Hydrology

The snow-capped Nevado del Tolima, with its almost symmetrical structure, has a radial drainage pattern in the upper part. The residual glacier on the top of the mountain feeds the rivers Totare, San Romualdo, Toche and Combeima. The latter is the main water source of the municipality of Ibagué. All these currents drain into the eastern slope of the Cordillera Central, directly into the Magdalena River.

Flora and fauna

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Los Nevados National Park

The Nevado del Tolima is located within the Los Nevados National Natural Park, In addition to the Nevado del Tolima, seven other volcanoes are located in the park: Nevado del Ruiz, Santa Isabel, Nevado del Quindío, Paramillo de Santa Rosa, Cerro Bravo, Cerro Machín and Nevado El Cisne.

The park spans 58,300 hectares (144,000 acres) and stretches across the departments of Caldas, Quindío, Risaralda, Tolima. The park is administratively part of the municipalities Villamaría, Santa Rosa de Cabal, Pereira, Salento, and Ibagué.

Eruptive history

Holocene activity has included explosive eruptions ranging in size from moderate to plinian. The last major eruption took place about 3600 years ago. Lava dome growth has produced block and ash flows that traveled primarily to the NE and SE. Minor explosive eruptions have been recorded from Tolima in the 19th and 20th centuries.[1]

See also

• List of volcanoes in Colombia
• List of volcanoes by elevation

References

Bibliography

• González, Humberto. 2001. Geología de las planchas 206 Manizales y 225 Nevado del Ruiz - 1:100,000 - Memoria explicativa, 1–93. INGEOMINAS. Accessed 2017-06-09.
• Mosquera, Darío; Pedro Martín; Carlos Vesga, and Humberto González. 1998. Plancha 225 - Nevado del Ruiz - 1:100,000, 1. INGEOMINAS. Accessed 2017-06-06.

External links

• Nevado del Tolima on summitpost
• Mountaineering and photography blog including different ascent routes

На других языках

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[de] Nevado del Tolima

Der Nevado del Tolima (5215 m[1], 5274 m[2], 5230 m[3]), benannt nach dem gleichnamigen Departamento, ist neben dem Nevado del Ruiz und dem Nevado de Santa Isabel einer der drei großen Vulkane im kolumbianischen Nationalpark Parque Nacional Natural Los Nevados in der Zentralkordillere, auf dem Gebiet der Gemeinden Ibagué und Anzoátegui im Departamento Tolima gelegen.

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- [en] Nevado del Tolima

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[es] Nevado del Tolima

El Nevado del Tolima (también conocido como la montaña Dulima [cita requerida] desde antes de la conquista por los nativos indígenas) es un volcán localizado en la Cordillera Central de los Andes de Colombia, en jurisdicción de los municipios tolimenses de Anzoátegui e Ibagué. Junto con los volcanes Nevado de Santa Isabel y Nevado del Ruiz, hace parte del área protegida del parque nacional natural Los Nevados.[1]

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[fr] Nevado del Tolima

Le Nevado del Tolima est un volcan de la cordillère des Andes situé dans le département de Tolima en Colombie. Son altitude est estimée à 5 215 mètres[1],[2]. L'accès principal au volcan est possible en partant depuis la ville d'Ibagué.

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[it] Nevado del Tolima

Il Nevado del Tolima è uno stratovulcano che si trova in Colombia; raggiunge un'altezza di circa 5200 m s.l.m.

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[ru] Толима (вулкан)

Толи́ма[1][2] (исп. Nevado del Tolima) — стратовулкан, расположенный в департаменте Толима, Колумбия, на территории национального парка Лос-Невадос.

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